Quantech QCC2015CEE, Installation, Operation And Maintenance Manual, Page: 36 / 172

QUANTECH
36
Form QCC2-NM1
Issue Date: 5/20/2021
SECTION 4 – INSTALLATION
Single-point supply connection – terminal block, non-fused
disconnect switch or circut breaker
Figure 8 - Single-Point Supply Connection – Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
Electrical Notes and Legend located on page 51.
It is possible that multiple sources of
power can be supplying the unit power
panel. To prevent serious injury or death,
the technician should verify that NO
LETHAL VOLTAGES are present inside
the panel AFTER disconnecting power,
BEFORE to working on equipment.
The unit evaporator heater uses 120 VAC.
Disconnecting 120V AC power from the
unit, at or below freezing temperatures,
can result in damage to the evaporator
and unit as a result of the chilled liquid
freezing.
LD07719
Power Panel Control Panel
Terminal Block,
NF Disconnect SW
or Circuit Breaker
1L1 1L2 1L3
GR
D
MICROPANEL
2
L
CTB2
13 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-60
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Power Panel Control Panel Power Panel Control Panel
Terminal Block,
NF Disconnect SW
or Circuit Breaker
1L1 1L2 1L3 1L1 1L2 1L3
GR
D
GR D
GR D
MICROPANEL
2
L
CTB2
2
L
CTB2
13 14 13 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-60
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Figure 9 - Discharge Air Sensor Field Wiring
9
8
7 6
5
4
3
2
1
7 4 1
J6 PIN
IDENTIFICATION
ON I/O
DISCHARGE AIR
SENSOR WITH
MOUNTING BRACKET
FIELD SUPPLIED WIRING
QUABBIN 930421-2
OR EQUIVALENT
J6-5 & J6-8
J6-2 SHIELD
LD13345a
BLK (SIGNAL)
RED (+5 VDC)
DRAIN (GND)
BLK (SIGNAL)
RED (+5 VDC)
DRAIN (GND)