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BEFORE INSTALLATION
CAUTION
Equipment Damage Hazard.
Putting stress on the lever assembly can destroy the
accuracy. Do not move or lift the PP904 by the lever
assembly.
Do not remove the shipping protection until after the device is
permanently mounted. See Fig. 1.
Special Equipment
Magnehelic Gage of appropriate range, if not part of the
system.
SHIPPING
TIES
Fig. 1. PP904A and B shipping protection
(PP904B shown).
® U.S. Registered Trademark
Copyright © 2002 Honeywell • All Rights Reserved
PP904A and B Differential
LEVER ASSEMBLY
SHIPPING
PROTECTION
FOAM
M18381
Pressure Regulators
INSTALLATION INSTRUCTIONS
INSTALLATION
Mounting
1. Mount the device in any position using four no. 10
screws obtained locally. See Fig. 2.
2. Remove the cover.
3. Remove the shipping protection foam between the flap-
per and the nozzle. See Fig. 1.
4. Cut and remove the two shipping ties.
9 (229)
8-1/4 (210)
PIGTAILS (PP904A ONLY)
PIGTAILS (PP904A ONLY)
8-1/8 (206)
Fig. 2. PP904A and B approximate
dimensions in in. (mm).
A
FOUR
NO. 10
SCREWS
2-1/4
C
(57)
2-1/2 (63) MIN.
CLEARANCE
FOR COVER
REMOVAL
4-1/8
(105)
C3952
95-5519EF
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Summary of Contents for Honeywell PP904A
- Page 1 PIGTAILS (PP904A ONLY) 2-1/2 (63) MIN. CLEARANCE FOR COVER REMOVAL M18381 4-1/8 (105) Fig. 1. PP904A and B shipping protection (PP904B shown). PIGTAILS (PP904A ONLY) 8-1/8 (206) C3952 Fig. 2. PP904A and B approximate dimensions in in. (mm). ® U.S. Registered Trademark Copyright ©...
- Page 2 SETPOINT LEVEL To Static Pressure Sensing Heads LEVEL 1. Push the branch and main tubing onto the PP904A pig- tail connectors or the PP904B restrictor. See Fig. 3. NOZZLE NOTE: The PP904A connectors are 1/4 in. (6mm) pigtail for main line and 5/32 in. (4mm) pigtail for branch line.
- Page 3 4. Connect a Magnehelic Gage between the A and C con- nections, if not part of the system. If desired, a 0 to 30 STATIC psi gage can be teed into the PP904A branch line to DIRECT ACTING SHOWN HEAD read the branch line pressure.
- Page 4 �������������������������������� ��������� ����������������������������������� ������������������������ ���������������� ������������������������ �������������������� ������� Printed in U.S.A. on recycled 95-5519EF J.H. Rev. 1-02 customer.honeywell.com paper containing at least 10% post-consumer paper fibers.
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Page 5: Installation
Fig. 1. Emballage de protection pour l'expédition du PP904A et B (PP904B, illustré) RACCORDS EN TIRE-BOUCHON (PP904A SEULEMENT) CF3952 206 (8-1/8) Fig. 2. Encombrement approximatif en mm (po) des PP904A et B. ® U.S. Registered Trademark Copyright © 2002 Honeywell • All Rights Reserved 95-5519EF... - Page 6 �������������� b. Raccorder l'orifice B du PP904 à l'orifice H du poste REMARQUE : Le PP904A est muni d'un raccord en tire-bou- de mesure des débits (PMD). Il s'agit d'un raccord- chon de 6 mm (1/4 po) pour le raccordement à...
- Page 7 RÉGULATEURS DE PRESSION DIFFÉRENTIELLE PP904A ET B ÉTALONNAGE Se reporter à la publication 77-5031 sur le système pneumatique de régulation du débit pour l'étalonnage au moyen du tableau d'essai de débit d'air ou : 1. Pour régler la bande proportionnelle, desserrer le bou- ton de réglage de la bande proportionnelle (TR) et...
- Page 8 By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or damages, including attorneys’ fees, arising out of, or resulting from, any modification to the literature by you.