Subscribe to Our Youtube Channel
Related Manuals for nVent Hoffman T Series
Summary of Contents for nVent Hoffman T Series
- Page 1 We connect and protect T-Series Air Conditioners T70, 5 TON 460 V, 3 Phase Model Instruction Manual Rev. A P/N 89256970...
-
Page 2: Table Of Contents
TABLE OF CONTENTS WARRANTY AND RETURN POLICY ...............................2 GENERAL SAFETY INSTRUCTIONS ...............................3 RECEIVING THE AIR CONDITIONER ..............................3 HANDLING AND TESTING THE AIR CONDITIONER ..........................3 How to Read Model Numbers ................................3 INSTALLATION INSTRUCTIONS ................................3 DIMENSIONAL DRAWINGS ...................................4 5 TON ..........................................4 MOUNTING CUTOUT DIMENSIONS ...............................5 TECHNICAL INFORMATION ..................................6 Sequence of Operation .................................... -
Page 3: General Safety Instructions
GENERAL SAFETY INSTRUCTIONS hermetic compressor shell. The switch operates when the compressor overheats due to clogged or dirty inlet air filter Observe the following general safety instructions for installation or if ambient air temperatures exceed nameplate rating or if enclosure dissipated heat loads exceed the rated capacity of and operation of this product: the air conditioner. -
Page 4: Dimensional Drawings
DIMENSIONAL DRAWINGS 5 TON 33.50 CLEANABLE, REUSABLE LINE VOLTAGE ALUMINUM AIR FILTER 850.9 ELECTRICAL ACCESS 22.94 1.02 31.50 1/4-20 UNC (10) LOW VOLTAGE 36.00 582.6 MOUNTING ELECTRICAL ACCESS 914.4 16.75 425.5 20.57 522.4 ENCL AIR IN 19.1 16.75 7.50 425.5 190.5 69.76 69.49... -
Page 5: Mounting Cutout Dimensions
MOUNTING CUTOUT DIMENSIONS Mounting Gasket kit, 70-1000-52 included. Apply gasket to back of air conditioner before Cutout Instructions mounting to enclosure. (As viewed from outside of enclosure) Note: Dashed lines represent air conditioner. nVent.com/HOFFMAN... -
Page 6: Technical Information
TECHNICAL INFORMATION Phase Monitor This product is equipped with Phase/Voltage Protection. It is Sequence of Operation located behind the front cover panel. Please verify correct phasing and voltage before operating. Note the fans may still operate if The air conditioner comes standard with two internally mounted phasing is incorrect, but the compressor will not, so the unit will thermostats. -
Page 7: 36000 Btu/Hr., 59000 Btu/Hr. Unit Characteristics
°F °C Bubble Point Dew Point °F °C Bubble Point Dew Point 26.7 165.5 140.4 48.9 297.8 265.3 29.4 179.2 153.1 51.7 318.3 285.2 32.2 193.6 166.5 54.4 339.9 306.1 208.8 180.8 57.2 362.4 328.2 37.8 224.9 195.8 351.4 40.6 241.8 211.8 62.8... -
Page 8: Wire Diagrams
Wire Diagrams Thermostat Wiring Option nVent.com/HOFFMAN... -
Page 9: Lead/Lag Wiring Option
Lead/Lag Wiring Option nVent.com/HOFFMAN... -
Page 10: Service Data
SERVICE DATA MAINTENANCE Performing preventative maintenance (PM) helps to keep your Component List nVent HOFFMAN AC unit operating at the highest most efficient Part Description Part Number levels. Maintenance should be performed at least twice a year, more frequently when in challenging conditions, such as dusty,... -
Page 11: Trouble Shooting
TROUBLE SHOOTING Basic Air Conditioning Trouble Shooting Check List 1. Check manufacturer’s nameplate located on the unit for correct power supply. 2. Turn on power to the unit. The evaporator (Enclosure or “COLD” air) fan should come on. Is there airflow? YES, proceed to step 3. -
Page 12: Symptoms And Possible Causes
Symptoms and Possible Causes: Symptom Possible Cause Clogged fins on coil(s) Dirty filter Blowers/fans not running Unit won’t cool Compressor not running Compressor runs, but has bad valves Loss of refrigerant Low line voltage at start. Should be +/–10% rated voltage. Compressor motor stuck Compressor tries to start but won’t run Bad contactor...
Need help?
Do you have a question about the T Series and is the answer not in the manual?
Questions and answers