Bard I48H1D, I42H1D, I36H1D, I30H1, I60H1D Heat Pump with ERV and CO2 Control ON/OFF Cycling

FIGURE 17

HEAT PUMP WITH ERV AND CO2 CONTROL (ON/OFF CYCLING)

SC SC SC

Completestat

Model #CS9B-THO or

Model #CS9BE-THO

24V COM G Y1 Y2 O/B W2 W1/E L A D

								2		3
										NOTE: Bard 8403-060
										thermostat must be
Thermostat										in programmed
	R	C	G	Y1	Y2 O/B W2	W1/E	L	A	YO/D	operation mode and
Bard #8403-060
										in programmed fan
										mode for ventilation
										to function.
								2		3

Low

R

RT

C

G

Y1

Y2

B/W1

W2

W3

L

A

D

6

Voltage

Term. Strip

1

5

4

RED/WHITE

BLACK/WHITE

6

ORANGE

BROWN/WHITE

PINK

PURPLE

3 4

2

1

5

6

ERV Wiring Harness

6 CO2 Control

Bard #8403-067

1	Factory installed jumper. Remove jumper and connect	4 Connect to "G" terminal when thermostat has "Occupancy Signal".
	to N.C fire alarm circuit if emergency shutdown required.

2	Not needed below 15KW.	5
3 Additional wire required for dehumidification models.		6

Install a jumper between "G" and "A" only when thermostat without "Occupance Signal" is used.

If CS9B-THOC or CS9BE-THOC is used, connect "Brown/White" directly to "A" and do not use seperate CO2 controller.

MIS-3020

Manual	2100-549G
Page	27 of 59