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31

To adjust the circulator blower speed, proceed as follows:

1. Turn OFF power to the furnace.
2. Select the heating and cooling blower speeds that match

the installation requirements from the 

airflow table in the

Specification Sheet

.

3. Relocate desired motor leads  to the circulator blower heat

and cool speed terminals on the integrated control module.
(Terminals are identified as HEAT and COOL  (hot)). If heating
and cooling blower speeds are the same, a jumper wire
must be used between the heat and cool terminals.

4. Connect all unused blower motor leads to the “PARK”

terminals on the integrated control module.  Any leads not
connected to the “PARK” terminals must be taped.

5. Turn ON power to furnace.
6. Verify proper temperature rise as outlined in 

Section XIV,

Startup Procedure and Adjustment - Temperature Rise

.

Orange

High

Common/Neutral

Medium Low

Circulator Blower Speeds

Low

Red

Medium Blue

Black

White

XV. NORMAL SEQUENCE OF OPERATION

P

OWER

 U

P

The normal power up sequence is as follows:

115 VAC power applied to furnace.

Integrated control module performs internal checks.

Integrated control module LED will light.

Integrated control module monitors safety circuits
continuously.

Furnace awaits call from thermostat.

H

EATING

 M

ODE

The normal operational sequence in heating mode is as follows:

R and W thermostat contacts close, initiating a call for heat.

Integrated control module performs safety circuit checks.

Induced draft blower is energized for 15 second prepurge
period causing pressure switch contacts to close.

Igniter warm up begins after 15 second prepurge expires.

Gas valve opens at end of igniter warm up period, delivering
gas to burners and establishing flame.

Integrated control module monitors flame presence.  Gas
valve will remain open only if flame is sensed.

Circulator blower is energized on heat speed following a fixed
thirty second blower on delay.

Furnace runs, integrated control module monitors safety circuits
continuously.

R and W thermostat contacts open, completing the call for
heat.

Gas valve closes, extinguishing flame.

Induced draft blower is de-energized following a fifteen second
post purge.

Circulator blower is de-energized following the heat off delay
period (fixed 150 seconds).

Furnace awaits next call from thermostat.

C

OOLING

 M

ODE

The normal operational sequence in cooling mode is as follows:

R and Y thermostat contacts close, initiating a call for cool.

Integrated control module performs safety circuit checks.

Outdoor fan and compressor are energized.

Circulator blower is energized on cool speed following a
fixed five second on delay.

Furnace circulator blower and outdoor cooling unit run,
integrated control module monitors safety circuits
continuously.

R and Y thermostat contacts open, completing the call for
cool.

Outdoor fan and compressor are de-energized.

Circulator blower is de-energized following a fixed forty five
second cool off delay period.

Furnace awaits next call from thermostat.

F

AN

 O

NLY

 M

ODE

The normal operational sequence in fan only mode is as follows:

R and G thermostat contacts close, initiating a call for fan.

Integrated control module performs safety circuit checks.

Circulator blower is energized on heat speed.

Circulator blower runs, integrated control module monitors
safety circuits continuously.

R and G thermostat contacts open, completing the call for
fan.

Circulator blower is de-energized.

Furnace awaits next call from thermostat.

XVI. OPERATIONAL CHECKS

B

URNER

 F

LAME

The burner flames should be inspected with the burner compart-
ment door installed.  A sight glass is provided for inspection pur-
poses.  Flames should stable, quiet, soft, and blue (dust may
cause orange tips but they must not be yellow).  Flames should
extend directly outward from the burners without curling, floating, or
lifting off.  Flames must not impinge on the sides of the heat ex-
changer firing tubes.

Summary of Contents for AKSS9/GKS9

Page 1: ...ibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of common sense a matter of thinking before acting Most dealers ha...

Page 2: ...ND COMBUSTION AIR PIPING PRACTICES 13 TERMINATION LOCATIONS 13 CANADIAN VENTING REQUIREMENTS 14 STANDARD FURNACE CONNECTIONS 14 ALTERNATE FURNACE CONNECTIONS 14 NON DIRECT VENT SINGLE PIPE PIPING 15 D...

Page 3: ...MODE 31 COOLING MODE 31 FAN ONLY MODE 31 XVI Operational Checks 31 BURNER FLAME 31 XVII Safety Circuit Description 32 GENERAL 32 INTEGRATED CONTROL MODULE 32 PRIMARY LIMIT 32 AUXILIARY LIMIT 32 ROLLOU...

Page 4: ...ANCE DO NOT TOUCH ANY ELECTRICAL SWITCH DO NOT USE ANY PHONE IN YOUR BUILDING IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBORS PHONE FOLLOW THE GAS SUPPLIERS INSTRUCTIONS IF YOU CANNOT REACH YOUR G...

Page 5: ...by the furnace to areas outside the space containing the furnace the return air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace A...

Page 6: ...THE UNIT IS IN A BUILDING THAT IS OR WILL BE VACANT CARE SHOULD BE TAKEN TO ROUTINELY INSPECT MAINTAIN AND MONITOR THE UNIT IN THE EVENT THAT THE BUILDING MAY BE EXPOSED TO FREEZING TEMPERATURES AND...

Page 7: ...ow furnace may be the same width as the furnace or may be one size larger than the furnace Example a C width coil may be installed with a B width furnace For upflow applications the front of the coil...

Page 8: ...ostat where it may be influ enced by any of the following Drafts or dead spots behind doors in corners or under cabinets Hot or cold air from registers Radiant heat from the sun Light fixtures or othe...

Page 9: ...atisfactory combustion of gas proper venting and the maintenance of ambient temperature at safe limits under normal conditions of use Equipment shall be located so as not to interfere with proper circ...

Page 10: ...ting of all equipment in the enclosure Outlet air duct Inlet air duct If the appliance room is located against an outside wall and the air openings communicate directly with the outdoors each opening...

Page 11: ...panel s and or basepan For horizontal upflow furnaces return air ductwork must be attached to the basepan NOTE Ductwork must never be attached to the back of the furnace Contact your distributor for...

Page 12: ...dard altitude Propane gas installations require an orifice change to compensate for the energy content difference between natural and propane gas For furnaces being converted to LP gas it is strongly...

Page 13: ...be CSAlisted The solvent cement for the PVC toABS transition joint must meet ASTM D3138 Fittings must be DWV type fittings meetingASTM D2661 andASTM D3311 and if used in Canada must be CSA listed Car...

Page 14: ...ent Vent Flue Terminations Grade or Highest Anticipated Snow Level 3 min 12 min 4 min 12 min Vent Termination Clearances NOTE In Canada the Canadian Fuel Gas Code takes precedence over the preceding t...

Page 15: ...of the alternate vent flue location for upright installations requires the drain trap be installed on the same side of the unit as the flue pipe 8 For horizontal installations externally secure the f...

Page 16: ...e pipe passing through the wall and prohibit damage to piping connections a coupling should be installed on either side of the wall and solvent ce mented to a length of pipe connecting the two couplin...

Page 17: ...strictions The pen etrations through the roof must be sealed tight with proper flashing such as is used with a plastic plumbing vent Horizontal terminations should be as shown in the following figure...

Page 18: ...ation 0 24 Vent termination from wall 8 min 12 max Combustion air intake from wall 6 max Vent and intake clearance to ground or anticipated snow level 12 min ____________________________________ SCREE...

Page 19: ...lets at the same elevation and always terminate all air intakes at the same elevation HOSE A HOSE B SIDE PANEL GROMMET HOLES GREEN HOSE CLAMP 3 PLACES TUBE 1 RUBBER ELBOW RIGHT SIDE PANEL DRAIN TRAP T...

Page 20: ...onnected to drain ports on the rubber elbow and the recuperator coil front cover The drain lines are then routed through the right or left side panel and into the drain trap secured to the outside of...

Page 21: ...e hose to rear right down side panel grommet holes 3 Cut 1 4 inch from the end of the drain port on the rubber elbow and discard 4 Insert Tube 1 into rubber elbow drain port and secure with a silver h...

Page 22: ...diagram for wire routings If any of the original wire as supplied with the furnace must be replaced it must be replaced with wiring material having a temperature rating of at least 105 C Any re placem...

Page 23: ...bination of the lower air density and a lower manifold pressure will prohibit the burner orifice from drawing the proper amount of air into the burner This may cause incomplete combustion flash back a...

Page 24: ...E PROPERTY DAMAGE PERSONAL INJURY OR DEATH MAY OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED THE APPROPRIATE KITS MUST BE APPLIED TO ENSURE SAFE AND PROPER FURNACE OPERATION ALL CONVERSIONS M...

Page 25: ...t in operation leak test the unit and gas connec tions TO AVOID THE POSSIBILITY OF EXPLOSION OR FIRE NEVER USE A MATCH OR OPEN FLAME TO TEST FOR LEAKS WARNING Check for leaks using an approved chlorid...

Page 26: ...00 185 390 590 Data in accordance with NFPA pamphlet NO 54 Propane Gas Piping Chart II XIII CIRCULATING AIR FILTERS DUCTWORK AIR FLOW Duct systems and register sizes must be properly designed for the...

Page 27: ...oling coil it is recommended that a removable access panel be provided in the outlet air duct This opening shall be accessible when the furnace is installed and shall be of such a size that the heat e...

Page 28: ...the manual gas shutoff valve external to the furnace 2 Turn off the electrical power to the furnace 3 Set the room thermostat to the lowest possible setting 4 Remove the burner compartment door NOTE...

Page 29: ...se from the hose barb fitting or inlet pressure boss 11 Replace inlet pressure tap a Honeywell VR8215 valve Remove the 1 8 NPT hose barb fitting from the inlet pressure tap Replace the inlet pressure...

Page 30: ...ubic foot Input 1 000 BTU ft3 x 3600 sec hr 34 sec ft3 Input 106 000 BTU hr Minor changes to the input rate may be accomplished through mani fold pressure adjustments at the gas valve Refer to Section...

Page 31: ...ed following a fixed thirty second blower on delay Furnace runs integrated control module monitors safety circuits continuously R and W thermostat contacts open completing the call for heat Gas valve...

Page 32: ...ct electrical components Use the following precautions during furnace installation and servicing to protect the integrated control module from damage By putting the furnace the control and the person...

Page 33: ...ace Toremove 1 Turn OFF electrical power to furnace 2 Remove filter s from the central return register or ductwork 3 Replace filter s by reversing the procedure for removal 4 Turn ON electrical power...

Page 34: ...g is an indication of an operational problem Perform the checks listed in Section XIV Startup Procedure andAdjustments to reduce the chances of repeated fouling XX BEFORE LEAVING AN INSTALLATION Cycle...

Page 35: ...kage proper length elbows and termination Check drain system Correct as necessary Correct pressure switch setpoint or contact motion Tighten or correct wiring connection Pressure switch hose blocked p...

Page 36: ...and circulation blower runs continuously No furnace operation Integrated control module diagnostic LED is flashing FIVE 5 flashes Flame sensed with no call for heat Correct short at flame sensor or i...

Page 37: ...OW 1 5 757 44 753 44 734 45 704 47 674 49 620 524 438 HIGH 3 0 1449 36 1409 37 1326 39 1273 41 1201 43 1194 1136 1018 AKSS90703BX MED 2 5 1192 43 1172 44 1141 45 1094 47 1046 49 973 904 793 MED HI MED...

Page 38: ...LOW 1 5 757 44 753 44 734 45 704 47 674 49 620 524 438 HIGH 3 0 1449 36 1409 37 1326 39 1273 41 1201 43 1194 1136 1018 GKS90703BX MED 2 5 1192 43 1172 44 1141 45 1094 47 1046 49 973 904 793 MED HI ME...

Page 39: ...PED 3 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED IT MUST BE REPLACEDWITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105 TERMINAL SWITCH PRESS 5 UNIT MUST BE...

Page 40: ...fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local ga...

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