Technical Guide

718419-YTG-F-0314
Johnson Controls Unitary Products 81
BHZ/BHQ/BHX Unit Typical Slab on Ground Installation
BHZ/BHQ/BHX Unit Typical Roof Curb Installation
TO POWER SUPPLY
SUPPLY AIR
DUCT
RETURN AIR
DUCT
FIELD SUPPLIED
DISCONNECT SWITCH
LOCATED TO REAR OF UNIT
CONTROL WIRING
TO INDOOR
THERMOSTAT
SUPPLY AIR
DUCT
RETURN AIR
DUCT
CONTROL WIRING
TO INDOOR THERMOSTAT
TO POWER SUPPLY
FIELD SUPPLIED
DISCONNECT SWITCH
MOUNTED ON UNIT