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Congratulations!
The primary purpose of this document is to assist the installation, maintenance, and servicing of your TRUE appliance.
This document contains information important to safety, operation, maintenance, and servicing. DO NOT discard this
document. TRUE is solely the appliance manufacturer. For assistance finding a qualified technician, please visit our
Service Company Locator at truemfg.com/support/service-locator.
Your appliance may not exactly match the figures shown in this manual.
Contents
Signal & Symbol Definitions ..............................................................3
Basic Safety & Operation Warnings ...............................................5
Emergency Release Pull Cord Operation ..................................6
Personal Injury Warnings .....................................................................6
Appliance Disposal Warnings ...........................................................8
Hydrocarbon Refrigerant Warnings ..............................................8
Electrical Safety Warnings ...................................................................9
Appliance Specifications .................................................................. 11
Clearances .................................................................................................. 12
Electrical Requirements ..................................................................... 13
Electrical Installation & Safety ........................................................ 13
Wiring Instruction Advisement (115V only) ......................... 14
Uncrating .................................................................................................... 15
Appliance Location .............................................................................. 17
Leveling Screw, Leg or Castor Installation ............................. 17
Level the Appliance ............................................................................. 19
Sealing the Appliance to the Floor ............................................ 19
Shelf Installation ..................................................................................... 20
Battery Backup ........................................................................................ 21
Startup .......................................................................................................... 23
Temperature Control & Light Switch Location ................... 23
Sequence of Operation ..................................................................... 24
Health Safety Timer (HST) ................................................................ 25
Page 2 of 48
GDM-HST02
T HAN K YO U
F O R YO U R PU R C H A S E
NOTICE!
12/4/2023
Display Codes .......................................................................................... 27
Lock / Unlock the Control ................................................................ 28
Turn Off / On the Control ................................................................. 28
Lock / Unlock the Door - Button Combo ............................. 29
Lock / Unlock the Door - Password Entry ............................. 29
Enable the Product Loading & Servicing Delay ................. 30
Test the Health Safety Lock ............................................................. 30
Loading & Servicing Delay ............................................................ 31
Silence the Door Open Alarm ....................................................... 31
Change the Set Point .......................................................................... 32
Initiate Manual Defrost ...................................................................... 32
Change Frost Intervals ....................................................................... 33
Change Display Readout .................................................................. 33
Display Probe Temperatures ........................................................... 34
Component Replacement ............................................................... 37
Recommended Maintenance ....................................................... 38
Condenser Coil Cleaning .................................................................. 40
General Surface Care & Cleaning ................................................ 42
Stainless Steel Care & Cleaning .................................................... 43
8 Tips to Help Prevent Rust on Stainless Steel .................... 44
Warranty
Warranty Information.......................................................................... 45
P#840669
truemfg.com
TEC_TM_158 | REV. B | EN
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