Steffes HPB22 Troubleshooting Guide - Manual (Page 2)

P
REFACE
This guide contains instructions for troubleshooting the Steffes Corporation
room heating units: Models HPB 11, HPB 15, and HPB 22.
In compiling this guide, Steffes Corporation has used its best judgment based
upon information available but disclaims any responsibility or liability for any
errors or miscalculations, contained herein, or any revisions, hereof, or which
result, whole or in part, from the use of this guide, or any revision hereof.
If there are any questions, contact Steffes Corporation technical
support at 1-888-STEFFES (783-3337)
T
ABLE OF
C
ONTENTS
F
LOW
C
HARTS
Unit Will Not Charge (Unit Has No Core Charge) or Control Board Lights Are Off ............................... 1
Unit Undercharges ..................................................................................................................................... 3
Unit Overcharges On Warm Days ............................................................................................................. 4
Cool Discharge Air ...................................................................................................................................... 5
Blower Does Not Run ................................................................................................................................. 6
M
ISCELLANEOUS
Discharge Air Check-Out Procedure ....................................................................................................... 7-8
Exploded View Diagram of Heat Pump Booster ........................................................................................ 9
Heat Pump Booster Parts List ............................................................................................................ 10-11