Connecting Sacm; Control Of Air Conditioner Load - Generac Power Systems RXGW20SHA3 Owner's Manual

Installation

Connecting SACM

See Figure 2-4. The SACM can control an air conditioner
(24 VAC) directly.

Control of Air Conditioner Load

1. Route thermostat cable (from furnace/thermostat to
outdoor air conditioner unit) to transfer switch.
2. Connect wire to the terminal strip terminals (A/C 1)
on SACM as shown in
mally closed contacts which open upon load shed
conditions. Route thermostat wire away from high
voltage wires.
C
D
E
F
8
Figure 2-4. These are nor-
A
B
G
H
J
Figure 2-4. Typical SACM Connections
3. If required, connect additional air conditioners to
the terminal strip terminals (A/C 2-4).
Contact Ratings
A/C 1-4
NOTE: These instructions are for a typical air conditioner
installation. Control of certain heat pumps and 2-stage air
conditioners may require special connections or the use
of SMMs to control the loads.
1
2
1
2
1
2
1
2
T1
N1
N2
0 GROUND
0
194 +12V
23 TRANSFER
194
N1
N2
A
23
T1
Replace with Littlefuse 021606.3MXHP
®
Generac 10000005117 250 vac, 6.3A
N2 N1 T1
004435
Automatic Transfer Switch Owner's Manual
24 VAC, 1.0 amp max
A—Thermostat 1
B—Air conditioner 1
C—Thermostat 2
D—Air conditioner 2
E—Thermostat 3
F—Air conditioner 3
G—Thermostat 4
H—Air conditioner 4
T1 (fused)—Battery Charge
(blue background, white letters)
N1 (fused)—Utility Sense
(yellow background, black letters)
N2 (fused)—Utility Sense
(yellow background with black
stripe, black letters)
0—Ground
(black background, white
letters)
194— +12 VDC
(red background, white letters)
23—Transfer Control
(white background, black
letters)
J—240 VAC, 6.3A Fuses