background image

16

008 MOTOR

CONNECTION FROM 

CONNECTION FROM

LINE (BLACK)

006 MOTOR

CONNECTION FROM

QUICK DISCONNECT

CONNECTION FROM

 

NEUTRAL  ( WHITE)

INSTALL ADDITIONAL

IMC

LINE & NEUTRAL

IF C

A

CONNECTIONS

GROUND SCREW

COVE R

IMC

ASSEMBLY

CASING

BACK COVER

AIR VENT

GROUND
CONNECTION

BODY BOLTS (8)

1. Control Board

2. Outdoor Sensor

3. Strap-On Sensor

4. Top Injection Pump Cartridge

5. Bottom System Pump Cartridge

6. Top Injection Pump Motor Only

Replacement Parts Breakdown

LIMITED WARRANTY STATEMENT

Taco, Inc. will repair or replace without charge (at the

company’s option) any product or part which is proven

defective under normal use within one (1) year from the

date of startup or one (1) year and six (6) months from

the date of shipment (whichever occurs first). Taco, Inc.

will repair or replace without charge (at the company’s

option) any Taco 00 Series circulator cartridge that is

proven defective under normal use within three (3) years

from the date of manufacture.
In order to obtain service under this warranty, it is the re-

sponsibility of the purchaser to promptly notify the local

Taco stocking distributor or Taco in writing and promptly

deliver the subject product or part, delivery prepaid, to the

stocking distributor. For assistance on warranty returns,

the purchaser may either contact the local Taco stocking

distributor or Taco. If the subject product or part contains

no defect as covered in this warranty, the purchaser will

be billed for parts and labor charges in effect at time of

factory examination and repair.

Any Taco product or part not installed or operated in con-

formity with Taco instructions or which has been subject

to  misuse,  misapplication,  the  addition  of  petroleum-

based fluids or certain chemical additives to the systems,

or other abuse, will not be covered by this warranty.
If in doubt as to whether a particular substance is suitable

for use with a Taco product or part, or for any application

restrictions,  consult  the  applicable  Taco  instruction

sheets or contact Taco at (401-942-8000).
Taco reserves the right to provide replacement products

and parts which are substantially similar in design and

functionally equivalent to the defective product or part.

Taco reserves the right to make changes in details of de-

sign,  construction, or  arrangement  of  materials  of  its

products without notification.

TACO  OFFERS  THIS  WARRANTY  IN  LIEU  OF  ALL

OTHER  EXPRESS  WARRANTIES.  ANY  WARRANTY

IMPLIED  BY  LAW  INCLUDING  WARRANTIES  OF

MERCHANTABILITY OR FITNESS IS IN EFFECT ONLY

FOR THE DURATION OF THE EXPRESS WARRANTY

SET FORTH IN THE FIRST PARAGRAPH ABOVE.
THE  ABOVE  WARRANTIES  ARE  IN  LIEU  OF  ALL

OTHER  WARRANTIES,  EXPRESS  OR  STATUTORY,

OR ANY OTHER WARRANTY OBLIGATION ON THE

PART OF TACO.
TACO WILL NOT BE LIABLE FOR ANY SPECIAL, INCI-

DENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES

RESULTING FROM THE USE OF ITS PRODUCTS OR

ANY  INCIDENTAL  COSTS  OF  REMOVING  OR  RE-

PLACING DEFECTIVE PRODUCTS.

This warranty gives the purchaser specific rights, and the

purchaser may have other rights which vary from state

to state. Some states do not allow limitations on how long

an implied warranty lasts or on the exclusion of incidental

or consequential damages, so these limitations or exclu-

sions may not apply to you.

1.

11.

9.

10.

or

6.

7.

4.

5.

8.

193-004RP

9300-2052RP

9300-2044RP

005-020RP

008-045RP

193-015RP

7. Bottom System Pump Motor

8. Only Air Vent

9. Check Valve Dated 6/05 or Older

10. Check Valve Dated 7/05 or Newer

11. Brown Button Fuse

193-016RP

419-1

193-003RP

193-030RP

26-784RP

Replacement Parts 

Summary of Contents for Radiant Mixing Block

Page 1: ...CEDURE 3 INSTALLATION OF RADIANT MIXING BLOCK 4 OUTDOOR RESET MODE 5 OUTDOOR RESET SETTINGS 5 SETPOINT AND DELTA T MODE 6 SETPOINT AND DELTA T SETTINGS 7 BOILER OPERATION MODE 7 SET UP OF RADIANT MIXING CONTROL 8 DISPLAY OPERATION 11 TROUBLE SHOOTING 13 ERROR MESSAGES 14 REPLACING CARTRIDGE ASSEMBLY 14 REPLACING THE CHECK VALVE 15 TECHNICAL DATA 15 CLEANING 16 LIMITED WARRANTY STATEMENT 16 Plant I...

Page 2: ...2 Typical Piping ...

Page 3: ...a complete injection mixing system Integral to the unit is a variable speed injection circulator constant speed system circulator air elimination and the electronics to drive it all With only four piping connections needed the RMB greatly reduces the time and space required for installation The RMB can be set up to operate as an outdoor reset control a setpoint control or a delta T limiting contro...

Page 4: ...lock Ensure that a proper isolation valve is installed 2 Using proper piping practices connect the return from the radiant heating system to the Radiant Return top right hand connection as indicated on the plastic cover of the Radiant Mixing Block Ensure that a proper isolation valve is installed 3 Using proper piping practices connect the supply from the boiler loop to the Boiler Supply top left ...

Page 5: ...cribed in the Boiler Operation section The RMC also provides boiler protection as described in the Boiler Operation section DEMAND The RMC requires a demand signal before it will begin operation The RMC can use either a powered or an unpowered demand signal Once a demand signal is received the RMC displays the demand pointer in the display and operates as described above Powered Demand The RMC rec...

Page 6: ...rotection as described in the Boiler Operation section DEMAND The RMC requires a demand signal before it will begin operation The RMC can use either a powered or an unpowered demand signal Once a demand signal is received the RMC displays the demand pointer in the display and operates as described above Powered Demand The RMC recognizes a Powered Demand Signal when 24 V ac is applied across the Co...

Page 7: ...he boiler BOILER CONTROL When the RMC controls the boiler the RMC opens and closes the boiler contact in order to control the temperature of the boiler supply water temperature When the RMC is controlling the boiler temperature the RMC will determine the boiler supply water temperature that is required to satisfy the demands of the system The RMC will also determine a differential that is sufficie...

Page 8: ... back off the variable speed injection pump when the boiler temperature drops 1 2 of the Differential below the Boiler Minimum Setting Note If a boiler sensor is not installed the RMC cannot provide boiler protection C CAUTION Improper installation and operation of this product could result in damage to the equipment and possibly personal injury It is your responsibility to ensure that this produc...

Page 9: ...tor from the Radiant Mixing Block to the matching three pin molex connector labelled Var on the back of the RMC circuit board Wiring the Radiant Mixing Block System Pump Connect the system pump s four pin molex connector from the Radiant Mixing Block to the matching four pin molex connector labelled Sys on the back of the RMC circuit board Sys H Pmp Use copper conductors only Power 120 V 10 50 60 ...

Page 10: ...to the eight 8 pin terminal header on the RMC circuit board Press firmly until it snaps into place Insert the two 2 pin plug in terminal block into the two 2 pin terminal header on the RMC circuit board Press firmly until it snaps into place STEP FIVE MOUNTING THE RMC Begin by pushing all excesses wiring back into the Radiant Mixing Block Place the RMC into the Radiant Mixing Block s plastic enclo...

Page 11: ...BOIL DEM VIEW F 1 MIX ADJUST F TARG Delta T Maximum The Delta T Maximum sets the maximum temperature difference between the mixing return sensor and the mixing supply sensor This item is only available if Outdoor Design setting is set to OFF If a mixing return sensor is not installed set this item to OFF Outdoor Design Temperature The Outdoor Design Temperature is the outdoor temperature used in t...

Page 12: ...reased from 0 to 100 over 10 seconds Step Two The variable speed output is decreased from 100 to 0 over 10 seconds Step Three The System Pump is turned on for 10 seconds Step Four The Boiler Contact is turned on After 10 seconds the Boiler Contact and the System Pump contact are turned off The RMC continues normal operation MANUAL OVERRIDE In the event that the RMC fails to operate a manual operat...

Page 13: ...e to read the in stallers settings from its memory The control was forced to load the factory defaults for all settings The control will stop operation until all of the settings in the Adjust menu have been checked O Error Messages VIEW MIX VIEW RET Mixing Return Sensor Short Circuit A short circuit has been detected in the mixing return sensor If the Maximum Delta T setting is set to OFF the con ...

Page 14: ...ss any button on the control MIX VIEW SUP MIX VIEW SUP VIEW BOIL Boiler Sensor Open Circuit An open circuit has been detected in the boiler sensor The boiler contact is operated as if a boiler sensor is not installed The control provides a boiler enable and does not provide boiler pro tection To clear this error message correct the open circuit and press any button on the control If the sensor was...

Page 15: ...rtridge corresponds to the full circulator product number A complete parts list is available from your local plumbing supply wholesaler 7 Reassemble the circulator using the new gasket and bolts supplied 8 Follow the Installation procedure to start up the circulator 1 Disconnect the electrical supply 2 Reduce system pressure to 0 psi and allow system to return to room temperature Isolate the Radia...

Page 16: ...cation the addition of petroleum based fluids or certain chemical additives to the systems or other abuse will not be covered by this warranty If in doubt as to whether a particular substance is suitable for use with a Taco product or part or for any application restrictions consult the applicable Taco instruction sheets or contact Taco at 401 942 8000 Taco reserves the right to provide replacemen...

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