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Raypak RAYTHERM 133-4001 User Manual

Page 34

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34

For Service Technicians

START BOILER

R

E

N

R

U

B

T

O

L

I

P

F

I

S

T

H

G

I

L

R

E

N

R

U

B

T

O

L

I

P

F

I

T

H

G

I

L

T

O

N

S

E

O

D

T

O

N

O

D

S

R

E

N

R

U

B

N

I

A

M

T

U

B

E

L

P

U

O

C

O

M

R

E

H

T

K

C

E

H

C

V

4

2

R

O

F

K

C

E

H

C

AT GAS VALVE

IF NOT 24 V:

IF 24 V:

IF O.K.

IF DEFECTIVE

CHECK TRANSFORMER OUPUT

REPLACE

E

C

A

L

P

E

R

E

C

A

L

P

E

R

E

V

L

A

V

S

A

G

V

4

2

R

O

F

GAS VALVE

THERMOCOUPLE

IF NO

IF 24 V:

24V:

REPLACE

PROBLEM IN

TRANSFORMER

LIMIT
CIRCUITS

Electrical—Standing Pilot

WARNING—HIGH VOLTAGE: For qualified

technicians ONLY.