Compact Unit / Utility Heater
4
Operating Instructions and Owner’s Manual
MOUNTING DIMENSIONS
FLUE OUTLET DIMENSION
MHU50
MHU80
MHU125
C
4.25”
6.75”
9.43”
HEAT EXCHANGER
(ALUMINIZED STEEL)
AIR FLOW
318mm
(12 ½”)
165 mm
(6 ½”)
70 mm
(2 ¾”)
318mm
(12 ½”)
HANGING
BRACKETS
(2)
165mm
(6 ½”)
70 mm
(2 ¾”)
MOUNTING
SLOTS
(Typical)
5/16 x 3 Inches
(8 x 76 mm)
25 mm
(1”)
13 mm
(½”)
470 mm
(18 ½”)
25 mm
(1”)
TOP VIEW
ELECTRICAL INLETS
FLUE OUTLET
REAR VIEW
6”
GAS INLET
C
START-UP AND PERFORMANCE CHECK LIST
Job Name: ___________________________ Job No.: _____________________________ Date: ___________________________
Job Location: _________________________ City: ________________________________ State/Province: ___________________
Installer: _____________________________ City: ________________________________ State/Province: ___________________
Unit Model No.: _______________________ Serial No.: ____________________________ Service Technician: ________________
Electrical Connections Tight? _____________________________ Flue Connections Tight? _________________________________
Supply Voltage ________________________________________ Fan Timer Operation Checked? ___________________________
Gas Piping Connections Tight & Leak-Tested? _______________ THERMOSTAT Calibrated? _______________________________
Motor Amps __________________________________________ Heat Anticipator Properly Set? ____________________________
Furnace BTU input _____________________________________ Level? _______________________________________________
Line Pressure _________________________________________
Manifold Pressure W.C. _________________________________