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Manual 2100-435F
Page

20 of 40

RAT

C

R

E1

BK

TWV

YO

A2

Y

B

L

L

E1

G1

RV

W

A1

W2

G

D

Relay Logic Board

Return Air

Thermostat

Plug #2

Purple

Red

Yellow

Orange

Tan

Yellow

Black

Brown

Blue

Yellow

Orange

Tan

Orange

Red

Red

Red

Red

Black

Black

Black

Red

2

3

4102-037

1

2

3

4

5

6

7

8

9

10

11

12

7

6

5

4

3

2

1

Plug #4

8

12

11

10

9

Brown

Blue

W1

L

C

R

W2

B

E1

G

A1

Y1

Blue

Red

Red

Tan

Orange

Yellow

Blue

Brown

Red

Black

H200

Humidistat

IF93-380

Thermostat

4

3

5

6

Yellow

Yellow

FIGURE  16A

REMOTE THERMOSTAT WIRING DIAGRAM

“E” THERMOSTAT OPTION

DEHUMIDIFICATION MODULE

NOTE:  On options X and G the CS2000A1 (or other field provided means to control ventilation)

must be used if any of the mechanical (motorized) ventilation options are installed.

Summary of Contents for QTEC QH244D

Page 1: ...3D QH423D QH483D QH603D QTEC SERIES PACKAGED HEAT PUMP INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned Manual 2100 435F Supersedes 210...

Page 2: ...croll Compressor Start Up Information 23 Service Hints 24 Mist Eliminator Service 24 Vent Options 25 Sequence of Operation 28 Optional Climate Controls Sequence of Operation 28 29 Refrigerant Tube Sch...

Page 3: ...mer Manual N Air Conditioning Low Pressure Low Velocity ACCA Manual D or Duct System Design Manual Q Winter and Summer Air Conditioning FOR MORE INFORMATION CONTACT THESE PUBLISHERS ACCA Air Condition...

Page 4: ...Motorized w Exhaust Spring Return FILTER OPTIONS X 1 Inch Fiberglass Standard F 2 Inch Fiberglass P 2 Inch Pleated COLOR OPTIONS V Platinum w Slate Front Vinyl 4 Gray paint TABLE 1 FACTORY BUILT IN EL...

Page 5: ...R E W O P E R I W E Z I S 2 D N U O R G E R I W E Z I S 3 M U M I N I M T I U C R I C Y T I C A P M A 1 M U M I X A M L A N R E T X E R O E S U F T I U C R I C R E K A E R B 2 D L E I F R E W O P E Z...

Page 6: ...0 B D 3 8 4 H Q 6 0 B D 9 0 B D 5 5 1 B D 3 8 0 2 0 3 2 1 1 1 1 6 2 4 4 3 5 3 5 0 4 0 5 0 6 0 6 8 8 6 6 0 1 0 1 0 1 0 1 Z 0 C D 3 8 4 H Q 6 0 C D 9 0 C D 5 5 1 C D 3 0 6 4 1 1 1 1 4 1 3 2 7 2 7 2 5 1...

Page 7: ...Manual 2100 435F Page 7 of 40 FIGURE 1 UNIT DIMENSIONS...

Page 8: ...emoved to provide a place to hold the unit The unit can be slid forward on the skit until the front wheels hang over the edge of the skid See Figure 3 B The unit can be tipped forward and slid down th...

Page 9: ...instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Note particularly Start Procedure an...

Page 10: ...Manual 2100 435F Page 10 of 40 FIGURE 6 DUCTEDAPPLICATION FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM...

Page 11: ...either free blow with the use of QPB Plenum Box or a duct supply air system For hot water coil options a QPBHW F for free blow or QPBHW D for ducted airflow is used The QPB and QPBHW Plenum Box mount...

Page 12: ...nections on the unit The rear drain is the primary drain and is located on the right lower rear panel of the unit The optional side drain is located on the bottom right side of the unit The side drain...

Page 13: ...pressure device This indicates that the unit needs to be serviced FIGURE 12 UNIT MOUNTING BOTTOM TRIM PIECE BOTTOM TRIM EXTENSION MOUNTING BRACKET SIDE TRIM 2 PCS SIDE TRIM 2 PCS CABINET SIDE PANEL E...

Page 14: ...to keep it centered in the sleeve Also check the alignment to the mounting brackets This unit must be level from side to side If adjustments are necessary shim up under the rollers with sheets of ste...

Page 15: ...carry that amount of current Depending on the installed KW of electric heat there may be two field power circuits required If this is the case the unit serial plate will so indicate All models are su...

Page 16: ...are required 6 if no ventilation system is installed For proper system operation under Emergency Heat conditions where the compressor needs to be deactivated the B W2 E outputs need to be energized Re...

Page 17: ...P 9 4 0 3 0 4 8 0 8 3 3 9 F 1 t a e H e g a t s 2 l o o C e g a t s 2 c i n o r t c e l E e l b a m m a r g o r P r e v o e g n a h c l a u n a M r o o t u A 8 5 0 3 0 4 8 1 5 1 1 D 0 2 2 5 H T t a e...

Page 18: ...2 L C R AUX O B 8 1 2 3 4 5 6 7 E G Y 8403 058 H200 1 E1 R C Plug 4 12 11 10 9 8 7 6 5 4 3 2 1 3 2 Red Black Black Red Red Red Orange Tan Orange Yellow Blue Brown Black Yellow Tan Orange Yellow Red BK...

Page 19: ...ns to control ventilation must be used if any of the mechanical motorized ventilation options are installed DEHUM CIRCUIT 24 VAC COM DEHUM CIRCUIT COMPRESSOR NOTE FIELD SUPPLIED DEHUMIDISTAT MUST BE D...

Page 20: ...3 4 5 6 7 8 9 10 11 12 7 6 5 4 3 2 1 Plug 4 8 12 11 10 9 Brown Blue W1 L C R W2 B E1 G A1 Y1 Blue Red Red Tan Orange Yellow Blue Brown Red Black H200 Humidistat IF93 380 Thermostat 4 3 5 6 Yellow Yel...

Page 21: ...4 3 2 1 3 2 Red Black Black Red Red Red Orange Tan Orange Yellow Blue Brown Black Yellow Tan Orange Yellow Red Purple C Plug 2 Thermostat Relay Logic Board D G W2 A1 W RV G1 E1 L L B Y A2 YO TWV BK E...

Page 22: ...stat TH5220D1151 1 Terminal O1 Y Y1 Block 1 Black Red Humidistat Black Red Brown Blue Yellow Orange Tan Yellow 4 Red Blue 6 5 3 Blue Black Brown 9 10 11 12 C R AUX O B 8 1 2 3 4 5 6 7 G Red Y Red H200...

Page 23: ...nitor to prevent compressor damage due to phase reversal The phase monitor in this unit is equipped with two LEDs If the Y signal is present at the phase monitor and phases are correct the green LED w...

Page 24: ...cabinet side panel g Remove screws that attach the duct work to the unit flanges This unit is equipped with four rollers mounted to the base For ease of pulling unit out from the wall you may want to...

Page 25: ...h the opening in the back of the unit The mist eliminator must be raised up and the bottom can be pulled toward the front of the unit and removed QTEC R ENERGY RECOVERY VENTILATOR Option Before starti...

Page 26: ...Manual 2100 435F Page 26 of 40 FIGURE 17 FRESH AIR DAMPER REMOVAL MOUNTING SCREW...

Page 27: ...Manual 2100 435F Page 27 of 40 FIGURE 18 QERV REMOVAL MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS...

Page 28: ...peration can be restored by turning of the main power supply off and then back on or reset the room thermostat The low pressure control has a bypass to eliminate nuisance lockout on cold start up The...

Page 29: ...en the humidity is above the setpoint of the humidistat the compressor circuit and the 3 way valve are energized and the evaporator airflow is reduced The 3 way valve directs hot discharge gas into a...

Page 30: ...Manual 2100 435F Page 30 of 40 FIGURE 20 QTEC DEHUMIDIFICATION MODE CIRCUIT DIAGRAM...

Page 31: ...Manual 2100 435F Page 31 of 40 FIGURE 21 QTEC COOLING MODE CIRCUIT DIAGRAM...

Page 32: ...emperature This can be used to check defrost operation of the unit without waiting for the outdoor ambient to fall into the defrost region Use a small screwdriver or other metallic object or another 1...

Page 33: ...d l o r t n o c p m u p t a e h e v i t c e f e D l o r t n o c p m u p t a e h e h t n o 1 L o t C d n a Y o t C m o r f t n e s e r p s i V 4 2 f I t n e s e r p s i V 4 2 o n d n a d e r i p x e r...

Page 34: ...1 9 9 3 1 8 8 1 7 3 5 8 9 9 6 2 8 1 2 1 0 8 2 3 6 7 7 0 3 2 5 7 0 1 9 2 7 0 7 6 0 7 7 0 5 8 6 8 1 4 6 6 9 9 3 4 6 9 4 4 2 6 5 6 5 0 6 5 4 7 8 5 0 3 1 0 4 1 0 5 1 0 6 1 0 7 1 0 8 1 0 9 1 0 0 2 0 1 2 0...

Page 35: ...motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check filter Use low pressure drop...

Page 36: ...2 0 CONTROL control in cast aluminum can with air vents on the back of the can WITH AN ECM 2 3 CONTROL control containing black potting for water protection in black deep drawn steel case with no ven...

Page 37: ...cooling performance will occur with a refrigerant charge resulting in a superheat as shown in Table 8 If correct charge is in doubt recover the refrigerant and recharge per the charge on the unit rati...

Page 38: ...3 0 8 3 2 3 1 8 1 4 3 B D g e d 0 8 B W g e d 7 6 e d i S w o L e d i S h g i H 9 7 9 1 2 9 7 0 2 2 0 8 9 3 2 1 8 7 5 2 2 8 6 7 2 3 8 4 9 2 4 8 2 1 3 5 8 1 3 3 6 8 0 5 3 B D g e d 5 8 B W g e d 2 7 e...

Page 39: ...2 2 3 6 3 H Q g e d 0 7 e d i S w o L e d i S h g i H 3 1 7 4 1 7 1 3 5 1 1 2 9 5 1 5 2 4 6 1 7 2 7 6 1 0 3 1 7 1 4 3 6 7 1 8 3 2 8 1 2 4 8 8 1 6 4 4 9 1 2 5 2 0 2 5 5 6 0 2 9 5 1 1 2 3 6 7 1 2 3 2 4...

Page 40: ...jumper on it to choose between fulltime dehumidification and occupied dehumidification only With the jumper in the 1 2 position dehumidification is available fulltime With the jumper in the 2 3 posit...

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