3
QUEST 746
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
QUESTCLIMATE.COM
(877) 420-1330
1. INTENDED APPLICATION FOR QUEST 746
The Quest 746 Dehumidifier is designed to operate in temperatures between 56 F and 95 F.
In order to efficiently control humidity levels, the area in which the dehumidifier is to be operated must
be free of water intrusion or excessive fresh (outside) air infiltration. Before installing the Quest 746
Dehumidifier, water intrusion and air infiltration problems should be addressed or noted in calculations.
2. REGISTRATIONS
The Quest 746 Dehumidifier units conform to unified standards: UL 60335-2-40, CSA 22.2 # 60335-2-
40:2012 Ed. 1+4. Patent:
thermastor.com/patents
3. SPECIFICATIONS @ 80°F /60% RH
UNIT
QUEST 746
4037610
CFM:
1750 @ 0.0” WG
POWER:
4300 Watts
SUPPLY VOLTAGE:
480 VAC
3 Phase - 60 Hz
CURRENT DRAW:
6.5A
RATED CURRENT DRAW:
(104 F
|
36%)
7.5A
MCA
*
10A
MOP *
15A
RECOMMENDED BREAKER SIZE:
10A
ENERGY FACTOR (L/KWH):
3.45
OPERATING TEMP:
56 F Min –
95 F Max
WATER REMOVAL (PINTS/DAY):
EFFICIENCY (PINTS/KWH):
746
7.3
AIR FILTER (MERV-13):
(
QTY
2)
Size: 18” x 20” x 2”
POWER CORD:
No cord; hardwire only
ELECTRICAL KNOCKOUT SIZE:
3/4” (1.094” opening)
DRAIN CONNECTION:
3/4” Threaded NPT
REFRIGERANT TYPE:
REFRIGERANT AMOUNT:
R410A
6 lb 4 oz
DIMENSIONS:
WIDTH:
HEIGHT:
LENGTH:
WEIGHT:
Unit
Shipping
28.9”
36”
34.1”
40”
44.8”
48”
340 lb
420 lb
* MCA = Minimum Circuit Ampacity
This number provides a qualified electrician
with the information needed to determine
the minimum wire size used in the circuit that
feeds a single dehumidifier.
* MOP = Maximum Overcurrent Protection
This number provides a qualified electrician
with the value of the maximum size circuit
breaker that may be used to protect the
circuit that feeds a dehumidifier.
This unit requires external control, not provided.
Specifications are subject to change without notice.
