Temp-Heat THP-750 Installation And Service Manual Download Page 1

Installation and Service Manual

1-800-836-7432

Temporary

Heating

Cooling

Dehumidifying

Ventilating

For your safety,

do not use this heater in a

space where gasoline or

other liquids having

flammable vapors are

stored or used.

This manual is the property of the

owner.  Leave with the unit when

set-up and start-up are complete.

THP-750

Gas, Direct-Fired Temporary Heater

Warning  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Rating Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Fuel Supply System — Bulk-Tank System  . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Natural-Gas Installations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Set-Up   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Preliminary Start-Up Steps  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Control Vestibule Layout  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Start-Up Steps  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Shut-Down Steps  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Short-Term  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Long-Term or Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Wiring Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Control Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Ignition  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Airflow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Setting Control  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

To Check Setting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Summary of Contents for THP-750

Page 1: ...up and start up are complete THP 750 Gas Direct Fired Temporary Heater Warning 3 Introduction 4 Rating Information 5 Control Functions 6 Fuel Supply System Bulk Tank System 7 Natural Gas Installation...

Page 2: ......

Page 3: ...roperty loss or damage from hazards of fire explosion burn asphyxiation carbon monoxide poisoning and electrical shock Only persons who can understand and follow the instructions should use or service...

Page 4: ...alteration or repair The area of fresh air required for safe operation must be equal to the area of the unit s intake grill THP Series heaters draw fresh outside air through the unit s intake and disc...

Page 5: ...p o r P g i s p m u m i x a m 5 0 1 s t n e m e r i u q e R l a c i r t c e l E s p m a e s a h p z t r e h e g a t l o v 5 7 1 1 0 6 0 3 2 0 1 3 0 6 0 3 2 5 3 0 6 0 6 4 s n o i s n e m i D n i h x w...

Page 6: ...h t e r u t a r e p m e t e h t f i n w o d r e w o l b e h t s t u h s l o r t n o c t n i o p t e s s i h t w o l e b e v l a V s a G l a u n a M n w o d t u h s m r e t t r o h s r o F r e t a e h...

Page 7: ...on hand valve tee tank fill vapor service valve POL connector NOTE left hand thread reducer union and UL approved 350 psi gas hose to temporary heating unit when a vaporizer is not used Liquid inlet l...

Page 8: ...or proper inlet pressure Gas meter and supply system must be able to supply the minimum supply pressures as specified in the Rating Information Table on page 5 Follow all federal state and local codes...

Page 9: ...s intake grill Do not use or operate the heater in the presence of combustible vapors of liquids Maintain a maximum voltage differential of plus or minus 10 while unit is running Protect the hose from...

Page 10: ...t Determine that unit is drawing 100 fresh outside air through its intake grill Check for proper electrical connections and supply voltage Check that the intake and discharge of unit are free from obs...

Page 11: ...r e i f i l p m a 4 h c t i w s t i m i l e r u t a r e p m e t h g i h 5 h c t i w s t i m i l e r u t a r e p m e t h g i h t e s e r l a u n a m 6 h c t i w s t i m i l e r u t a r e p m e t w o l...

Page 12: ...Turn main disconnect to the ON position 9 Turn blower and burner switches to the ON position For units equipped with electronic low temperature limit control allows unit to run for 3 min If discharge...

Page 13: ...of vaporizer Contact your gas company for further information on safe handling of propane vaporizers Allow heater to run until flame safety light goes ON indicating that all gas has been burned from...

Page 14: ...s a g n i a m 1 0 L O d a o l r e v o r e t r a t s 2 0 R T r e m r o f s n a r t e g a t l o v w o l 2 0 A V e v l a v s a g n i a m d n o c e s 1 0 S P h c t i w s w o l f r i a 3 0 R T r e m r o f...

Page 15: ...wait 45 sec and turn back ON Terminal 6 receives power from Terminal 5 through the burner switch SW 06 Terminal 7 receives power from Terminal 6 through the supply fan motor starter With proper air fl...

Page 16: ...f I r o t o m o t r e t r a t s d n a e v i t c e f e d s i r o t o m e h t n o i t i d n o c d o o g n i s i g n i r i w d e c a l p e r e b t s u m r e n r u b s n u r r e w o l B e t i n g i t o n...

Page 17: ...e h c t i w s r e n r u b d n a r e w o l b n r u T r o t a l u s n i n i a l e c r o p t c e p s n i y l l u f e r a C n o i t i d n o c d n a p a g y r a s s e c e n f i e c a l p e R e r u t s i o...

Page 18: ...ve Air Flow Control Setting control 1 Turn ON OFF switch to ON 2 With unit operating at high fire turn adjusting screw clockwise until burner goes OFF 3 Turn adjusting screw counter clockwise 1 2 turn...

Page 19: ...19 TEMP HEAT...

Page 20: ...Detroit MI 800 678 1488 fax 248 526 9527 Duluth MN 888 539 5438 fax 218 722 6701 Minneapolis MN 800 836 7432 fax 612 707 5104 Newark DE 800 232 7419 fax 302 369 8022 Watertown WI 800 558 9209 fax 920...

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