Operating Instructions and Owner’s Manual
Compact Unit / Utility Heater
3
MHU 50/MHU 80 UNIT DIMENSIONS
(N-NATURAL GAS, P-PROPANE)
SIDE VIEW
SERVICE
ACCESS PANEL
HANGING
BRACKETS (2)
ADJUSTABLE
LOUVERS
TOP VIEW
MOUNTING SLOTS (Typical)
5/16 x 3 Inches (8 x 76 mm)
HANGING
BRACKETS
AIR
FLOW
HEAT EXCHANGER
(ALUMINIZED STEEL)
DIMENSION
50
80
A
12 (305)
17 (432)
B
5-1/2 (140)
6-1/2 (165)
C
4-1/4 (108)
6-3/4 (171)
START–UP AND PERFORMANCE CHECK LIST
Job Name: __________________________________________
Job Location: ________________________________________
Installer: ____________________________________________
Unit Model No.: ______________________________________
Electrical Connections Tight? _______________________________________________
Supply Voltage ___________________________________________________________
Gas Piping Connections Tight & Leak-Tested? __________________________________
Motor Amps ____________________________________________________________
Furnace Btu Input ________________________________________________________
Line Pressure ____________________________________________________________
Manifold Pressure w.c. ____________________________________________________
Job No.: ______________________________________
City: _________________________________________
City: _________________________________________
Serial No.:_____________________________________
Date:_______________________________________
State/Province: ______________________________
State/Province: ______________________________
Service Technician: ___________________________
Flue Connections Tight? __________________________________________________
Fan Timer Operation Checked? ____________________________________________
THERMOSTAT
Calibrated? _____________________________________________________________
Heat Anticipator Properly Set?
Level? _________________________________________________________________