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lp-548 Rev. 000 Rel. 004 Date 1.11.19

15

Communication Adapter Limited Warranty

One year warranty to assure your complete satisfaction.

HTP warrants each Communication Adapter to be free from defects in 

material and workmanship according to the following terms, conditions, and 

time periods.

 

UNLESS OTHERWISE NOTED THESE WARRANTIES COMMENCE 

ON THE DATE OF INSTALLATION. This limited warranty is only available to the 

original consumer purchaser 

(herinafter “Owner”) of this product, and is 

non-transferable.

COVERAGE

A. Should a defect or malfunction occur within the above-stated warranty 

period due to defective material or workmanship, malfunction, or failure 

to comply with the above warranty, with such defects or malfunctioning 

having been verified by an authorized HTP representative, then HTP will 

replace the defective or malfunctioning adapter with a replacement of the 

nearest comparable model available at the time of replacement. Replacement 

adapters will be warranted for ninety (90) days. 

B. In the event of a failure of a replacement adapter due to defective material 

or workmanship, malfunction, or failure to comply with the above warranty, 

HTP reserves the right to refund to the Owner the published wholesale price 

available at the date of manufacture of the original adapter.

C. If, at the time of a request for service the Owner cannot provide a copy of 

the original sales receipt, the warranty period for the adapter shall then be 

deemed to have commenced thirty (30) days after the date of manufacture of 

the adapter and NOT the date of installation, and be covered by the unexpired 

portion of the warranty detailed above.

D. It is expressly agreed between HTP and the Owner that repair, replacement, 

or refund are the exclusive remedies of the Owner.

E. HTP will not accept claims from the Owner for labor costs incurred by any 

person as a result of the repair, replacement, removal, or reinstallation of a this 
product or any component thereof.

WARRANTY EXCLUSIONS

This limited warranty will not cover:

1. Any adapter purchased from an unauthorized dealer.

2. Any adapter not installed by a qualified heating installer/service technician, 

or installations that do not conform to ANSI, CSA, and/or UL standards, as well 

as any applicable national or local building codes / ordinances and electrical 

trade practices.

3. Any damages, malfunctions, or failures due to improper installation.

4. Service trips to teach the Owner how to install, use, maintain, or to bring 

the adapter installation into compliance with local building codes and 

regulations.

5. Any failed components not manufactured by HTP as part of the adapter.

6. Adapters repaired or altered without the prior written approval of HTP.

7. Damages, malfunctions, or failures resulting from failure to operate and 

maintain the adapter in accordance with the manufacturer’s provided 

instructions.

8. Failure caused by improper sizing of the electric service voltage, wiring or 

fusing.

9. Damages, malfunctions, or failures caused by operating the adapter 

with modified, altered, or unapproved components, or any component / 

attachment not supplied by HTP.

10. Damages, malfunctions, or failures caused by abuse, accident, fire, flood, 

freeze, lightning, acts of God, electrical spikes and the like.

11. Failures (leaks) caused by operating the adapter in a corrosive or 

contaminated atmosphere, as well as any damage or failure resulting from 

contaminated air, including, but not limited to, dirt, dust, or water being 

introduced into the adapter or its components. 

12. Adapters replaced for cosmetic reasons.

13. Adapters that are not defective, but must be replaced during the warranty 

period as a result of reasonable wear and tear.

14. Components of the adapter that are subject to warranties, if any, given by 

their manufacturers; HTP does not adopt these warranties.

15. Damages, malfunctions, or failures resulting from the use of any 

attachment(s) not supplied by HTP.

16. Adapters installed outside the fifty states (and the District of Columbia) of 

the United States of America and Canada.

17. Any labor charges incurred by any person in connection with the 

examination or replacement of this product or parts claimed by the Owner 

to be defective.

PROCEDURES FOR WARRANTY SERVICE REQUESTS

Any claim for warranty assistance must be made immediately upon finding 

the issue. First, please consult the HTP Warranty Wizard (http://www.

htproducts.com/Warranty-Wizard.html) to check warranty eligibility. You 

may also contact HTP Technical Support at 1-800-323-9651 for questions or 

assistance. Warranty coverage requires review and approval of the issue with 

HTP Technical Support or through the Warranty Wizard prior to a full unit 

replacement. Any claim for warranty reimbursement will be rejected if prior 

approval from HTP is not obtained in advance of a full unit replacement. Final 

determination will be made as part of the warranty claim process.

When submitting a warranty claim the following items are required:

1. Proof of purchase or installation of the product –

 Typically a copy of 

the invoice from the installing contractor, the receipt of the purchase of the 

product, or an original certificate of occupancy for a new home.

2. Clear pictures (or video) of the following:

a. Serial number tag (sticker)

b. The product

c. The product issue / failure whenever possible

d. A picture of the piping near the product

e. For gas fired products, a picture of the venting, including how it exits 

the building

All claims will be reviewed by HTP within three (3) business days. If additional 

information is required and requested by the HTP Claims Department you will 

have thirty (30) days to provide it. When all requested information is provided 

HTP will respond within three (3) business days. The claim will be automatically 

closed if requested information is not provided within thirty (30) days. Claims 

will not be reopened without HTP Warranty Supervisor approval.

During the claims process a product that must be replaced will be given a 

designation of either a) field scrap, or b) return to HTP. If the product must 

be returned to HTP, the returned product must arrive at HTP within thirty 

(30) days of the date of our request to return the product. After receipt of 

the returned product HTP may require as many as thirty (30) additional days 

for product testing. 

NOTE: Any components or heaters returned to HTP 

for warranty analysis will become the property of HTP and will not be 

returned, even if credit is denied.

If you have questions about the coverage of this warranty, please contact 

HTP at the following address or phone number: HTP, 272 Duchaine Blvd., New 

Bedford, MA, 02745, Attention: Warranty Service Department, 1(800) 323-

9651.

SERVICE, LABOR AND SHIPPING COSTS

This limited warranty does not extend to shipping charges, delivery expenses, 

or administrative fees incurred by the Owner in repairing or replacing the 

Communication Adapter. This warranty does not extend to any labor costs 

incurred by any person as a result of the repair, replacement, removal, or 

reinstallation of a water heater or any component thereof. All such expenses 
are the Owner’s responsibility.

LIMITATIONS OF THIS HTP WARRANTY AND REMEDIES

THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND 

ACCEPTED TO THE FURTHEST EXTENT UNDER APPLICABLE LAW IN LIEU 

OF ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING 

WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY 

AND FITNESS FOR A PARTICULAR PURPOSE

 

AND ANY OBLIGATION, LIABILITY, 

RIGHT, CLAIM OR REMEDY IN CONTRACT OR TORT, WHETHER OR NOT ARISING 

FROM HTP’S NEGLIGENCE, ACTUAL OR IMPUTED. THE REMEDIES OF THE 

OWNER SHALL BE LIMITED TO THOSE PROVIDED HEREIN TO THE EXCLUSION 

OF ANY OTHER REMEDIES INCLUDING WITHOUT LIMITATION, INCIDENTAL 

OR CONSEQUENTIAL DAMAGES, SAID INCIDENTAL AND CONSEQUENTIAL 

DAMAGES INCLUDING, BUT NOT LIMITED TO, PROPERTY DAMAGE, LOST 

PROFIT OR DAMAGES ALLEGED TO HAVE BEEN CAUSED BY ANY FAILURE OF 

HTP TO MEET ANY OBLIGATION UNDER THIS AGREEMENT INCLUDING THE 

OBLIGATION TO REPAIR AND REPLACE SET FORTH ABOVE.

 

NO AGREEMENT 

VARYING OR EXTENDING THE FOREGOING WARRANTIES, REMEDIES OR THIS 

LIMITATION WILL BE BINDING UPON HTP. UNLESS IN WRITING AND SIGNED 

BY A DULY AUTHORIZED OFFICER OF HTP. THE WARRANTIES STATED HEREIN 

ARE NOT TRANSFERABLE AND SHALL BE FOR THE BENEFIT OF THE ORIGINAL 
OWNER ONLY.

NO OTHER EXPRESS WARRANTIES

This warranty gives the Owner specific legal rights. The Owner may also 

have other rights that vary from state to state. Some states do not allow 

the exclusion or limitation of incidental or consequential damages so this 

limitation or exclusion may not apply to the Owner.

These are the only written warranties applicable to this adapter manufactured 

and sold by HTP. HTP neither assumes nor authorizes anyone to assume for it 

any other obligation or liability in connection with said adapters.

HTP reserves the right to change specifications or discontinue models 

without notice.

Summary of Contents for 7350P-636

Page 1: ...s or to important product information CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage Table of Contents Part 1 General Information 2 A What s in the Box 2 B Minimum System Requirements 2 C Definitions 2 Part 2 Installation 2 A BMS Wiring Requirements 3 B Jumper Setting 3 Part 3 Communication Configuration 4...

Page 2: ... protocol developed by AEG Modicon Baud Baud Rate Number of data bits transmitted per second bps MSB Most Significant Byte BMS Building Management System RS232 RS232 serial full duplex FDX transmission of data standard EMS Energy Management System RS485 RS485 serial transmission of data standard FDX Full Duplex RTU Remote Terminal Unit HDX Half Duplex PG Industry Standard liquid tight wiring entry...

Page 3: ...S BACnet adapter inside the appliance housing Doing so may affect appliance operation or damage the MODBUS BACnet adapter A BMS Wiring Requirements RS 485 Communication Bus Maximum length 4000 feet Cable specification 24 AWG A B twisted pair and GND shielded with characteristic impedance 120 ohm Maximum load 32 units 32 nodes Wires will be passed through the PG connector on the side of the adapter...

Page 4: ...h the RS485 address of 31 will have a device ID of 600031 NOTE MODBUS must be enabled on the appliance as outlined above for the following parameters to be viewed and changed The BACnet address space is comprised of 256 addresses These are defined as follows Address 255 is a broadcast address The master can send data to address 0 and all followers will process the data Addresses 0 127 are free to ...

Page 5: ... 5 Final Baud Rate Settings E Parity and Stop Bits NOTE This setting only applies to MODBUS operation The BACnet protocol does not utilize parity for communication and this setting will have no effect The parity stop bits parameter of the MODBUS BACnet adapter must be set to match the rest of the devices on the bus Although it is common to set serial devices to use no parity setting the parity to ...

Page 6: ...XCEPT Versa Hydro Alarm output BI 33 1 on 0 off 1 10035 CH pump 1 N A BI 34 1 on 0 off 1 10036 DHW pump 1 N A BI 35 1 on 0 off 1 10038 Gas valve 1 Gas valve BI 37 1 on 0 off 1 10039 Sys pump N A BI 38 1 on 0 off 1 10049 Boiler 1 Run same as 11118 Run status BI 48 1 on 0 off 1 10050 Boiler 2 Run same as 10023 N A BI 49 1 on 0 off 1 10051 Boiler 3 Run N A BI 50 1 on 0 off 1 10052 Boiler 4 Run N A BI...

Page 7: ...utlet 3 N A AI 25 Deg F 0 1 30027 Boiler 3 Firing Rate N A AI 26 1 30028 Boiler 3 Status N A AI 27 N A 1 30029 Boiler 3 Lockout N A AI 28 N A 1 30030 Boiler Outlet 4 N A AI 29 Deg F 0 1 30031 Boiler 4 Firing Rate N A AI 30 1 30032 Boiler 4 Status N A AI 31 N A 1 30033 Boiler 4 Lockout N A AI 32 N A 1 30034 Boiler Outlet 5 N A AI 33 Deg F 0 1 30035 Boiler 5 Firing Rate N A AI 34 1 30036 Boiler 5 St...

Page 8: ...Table 8 MODBUS and BACnet Memory Map Only Valid Valves During Heating Cycle Address 40001 AV0 contains configuration bits sent from the BMS to the appliance These bits tell the appliance to use its own internal inputs or inputs from the BMS When a bit is set to 1 the appliance will ignore the corresponding value contained internally and expect the BMS to write that value into the holding registers...

Page 9: ...rs Definition Decimal Value HEX Value Action 40001 AV0 Configuration 3 0011 Set configuration to read 40002 40002 AV1 Coils 1 0001 Enables CH Demand 00 00 disables demand boilers only 40002 AV1 Coils 16 0010 Enables DHW demand on appliance 00 00 disables demand 40002 AV1 Coils 17 0011 Enables both CH and DHW demand DHW demand will have priority Table 10 Example 1 Holding Registers Definition Decim...

Page 10: ...with the setpoint controlled by the 600 menu parameter CENTRAL HEAT on appliances or the PHOENIX setting in the water heater user menu If the command value is anywhere between 16 and 100 the appliance will run at a setpoint proportional to the command sent between minimum and maximum setpoints NOTE To ensure proper operation resend the configuration bits to holding register 40001 AV0 prior to issu...

Page 11: ... the typical installation with a hot water generator in close proximity to the appliance with the tank thermostat or tank temperature sensor wired to the terminal strip or Customer Connection Board of the appliance DHW with Remote Control This installation may or may not have the hot water generator in close proximity to the appliance Its sensors and thermostat values are only available through th...

Page 12: ... No Burner Control Communication 0 5 seconds on 1 5 seconds off No MODBUS BACnet Communication 1 5 seconds on 0 5 seconds off Figure 7 MODBUS BACnet Diagnostic LEDs B Physical Layer 1 Adapter and Serial Port a Ensure adapter is plugged into the correct four pin connector i It plugs into the WHITE connector on the BIC 926 control ii It plugs into the BLACK connector on the BIC 928 control C Communi...

Page 13: ...19 Water Low 2 34 None 5 Blocking Temperature 20 Water High 2 35 Service Pump 6 DHW Function Internal 21 CH On Off Thermostat 40 Lockout 7 DHW Function Internal 22 CH Zone Demand 51 Frost Protection Pump 8 DHW Indirect 23 CH Cascade Demand 52 Frost Protection Burner 9 DHW Direct 24 CH Pool Demand 60 Summer Kick 10 DHW Phoenix 25 CH 61 Save EEPROM Blocking 11 DHW Spa 26 CH 96 Running 12 DHW 27 CH 1...

Page 14: ...ing 186 ECS7 Temperature Lockout 233 F09 No Flame After Ignition 190 F05 S1 Maximum Temperature 235 APS Stuck Closed 191 F06 S2 Maximum Temperature 236 APS Stuck Open 192 S1 Shorted 237 F11 False Flame 193 F02 S1 Interrupted 239 F01 Safety Thermostat Open 194 S2 Shorted 240 F00 Flue Thermostat Open 195 S2 Interrupted 241 External LWCO 196 Low Water Lockout 243 Gas Pressure 197 Flue Sensor Shorted ...

Page 15: ...ty Wizard http www htproducts com Warranty Wizard html to check warranty eligibility You may also contact HTP Technical Support at 1 800 323 9651 for questions or assistance Warranty coverage requires review and approval of the issue with HTP Technical Support or through the Warranty Wizard prior to a full unit replacement Any claim for warranty reimbursement will be rejected if prior approval fro...

Page 16: ...lp 548 Rev 000 Rel 004 Date 1 11 19 16 Installation and Maintenance Notes ...

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