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Engineered air PD SERIES, Installation, Operation And Maintenance Manual

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Engineered air PD SERIES Installation, Operation And Maintenance Manual Download Page 15

A

   

PD MANUAL

 

 

IOM-39 

15 of 36 

Aug 99 R1 

 

Some

 

systems

 

may

 

use

 

CPVC

 

piping.

  

Do

 

not

 

use

 

propylene

 

glycol

 

with

 

CPVC.

 

 

POOL WATER PIPING 

 

Some

 

systems

 

may

 

incorporate

 

a

 

heat

 

exchanger

 

to

 

reject

 

heat

 

to

 

the

 

pool

 

water.

  

The

 

pool

 

water

 

piping

 

should

 

be

 

considered

 

as

 

potable

 

water.

  

Use

 

proper

 

piping

 

materials

 

for

 

pool

 

water.

 

BEFORE

 

START

‐

UP

 

 

Remove

 

tie

‐

down

 

bolts,

 

straps

 

and

 

blocks

 

on

 

fan

 

and

 

compressor

 

vibration

 

isolators,

 

tilt

 

equipped

 

heat

 

pipes

 

and

 

enthalpy/desiccant

 

wheels

 

if

 

supplied.

  

Ensure

 

all

 

opening

 

covers

 

are

 

removed.

 

 

START

‐

UP

 

CHECK

 

LIST

 

 

Warning:

 

This

 

unit

 

is

 

connected

 

to

 

high

 

voltages.

 

Electrical

 

shock

 

or

 

death

 

could

 

occur

 

if

 

instructions

 

are

 

not

 

followed.

 

This

 

equipment

 

contains

 

moving

 

parts

 

that

 

can

 

start

 

unexpectedly.

  

Injury

 

or

 

death

 

could

 

occur

 

if

 

instructions

 

are

 

not

 

followed.

  

All

 

work

 

should

 

be

 

performed

 

by

 

a

 

qualified

 

technician.

 

Always

 

disconnect

 

and

 

lock

 

out

 

power

 

before

 

servicing.

 

DO

 

NOT

 

bypass

 

any

 

interlock

 

or

 

safety

 

switches

 

under

 

any

 

circumstances.

 

 

 

 

The

 

start

‐

up

 

and

 

operation

 

must

 

be

 

in

 

accordance

 

with

 

safe

 

practices.

 

Start

‐

up

 

must

 

be

 

performed

 

by

 

qualified

 

personnel.

  

Complete

 

attached

 

start

‐

up

 

record.

 

 

1.

 

Set

 

all

 

associated

 

electrical

 

switches,

 

controls,

 

thermostats

 

and

 

main

 

disconnect

 

switch

 

to

 

“OFF”

 

position.

 

 

2.

 

Close

 

all

 

manual

 

valves

 

and

 

field

 

piping

 

valves.

 

 

3.

 

Before

 

startup,

 

review

 

the

 

Unit

 

Function

 

(mounted

 

on

 

the

 

control

 

panel

 

door)

 

and

 

all

 

control

 

manuals

 

supplied

 

with

 

this

 

equipment.

 

On

 

units

 

with

 

heating

 

sections,

 

please

 

follow

 

the

 

start

‐

up

 

procedure

 

in

 

the

 

heating

 

manuals.

 

(Pack,

 

DJ,

 

DG,

 

RT,

 

HE,

 

LM

‐

K

 

etc.)

 

 

4.

 

Confirm

 

all

 

shipping

 

materials

 

has

 

been

 

removed.

  

On

 

units

 

with

 

semi

‐

hermetic

 

compressors,

 

remove

 

four

 

spring

 

isolator

 

spacers

 

and

 

back

 

off

 

the

 

top

 

nut

 

so

 

that

 

there

 

is

 

1/32"

 

(0.8mm)

 

to

 

1/16"

 

(1.6mm)

 

space

 

between

 

the

 

nut

 

and

 

neoprene

 

spacer.

 

 

5.

 

Check

 

all

 

bearings,

 

drive

 

and

 

fan

 

set

 

screws

 

for

 

tightness.

  

See

 

page

 

26.

 

 

6.

 

Check

 

drive

 

alignment

 

and

 

belt

 

tension.

 

Refer

 

to

 

Maintenance,

 

page

 

25.

 

 

7.

 

Ensure

 

that

 

refrigerant

 

lines

 

and

 

control

 

capillary

 

lines

 

do

 

not

 

rub

 

against

 

cabinet

 

or

 

other

 

lines.

 

 

Summary of Contents for PD SERIES

Page 1: ...TORY USA HEAD OFFICE AND FACTORY CANADIAN EASTERN FACTORY 1401 HASTINGS CRES SE CALGARY ALBERTA T2G 4C8 Ph 403 287 2590 Fx 888 364 2727 32050 W 83rd STREET DESOTO KANSAS 66018 Ph 913 583 3181 Fx 913 5...

Page 2: ...And Degreasing Of Water And Glycol Coils 14 Heat Transfer Fluids 14 Pool Water Piping 15 Before Start Up 15 Start Up Check List 15 Operation 19 Cooling Components 19 Refrigerant Handling 21 Compressor...

Page 3: ...o control the relative humidity to minimize the associated problems The primary function of a pool dehumidifier PD series unit is to manage the humidity levels within the facilities This helps to redu...

Page 4: ...lterations or where ENGINEERED AIR s installation and service requirements have not been met The foregoing warranty is in lieu of all other warranties express or implied ENGINEERED AIR specifically di...

Page 5: ...internal damage Remove protective covers and check for internal damage Replace covers if the unit is not being assembled or installed at this time Open access doors and check for internal damage Close...

Page 6: ...e Part 1 C S A Standard C22 1 Provincial and Local Codes and in accordance with the local authorities having jurisdiction 2 This unit shall be electrically grounded in accordance with the latest editi...

Page 7: ...ion 5 The installation of this unit shall be in accordance with all other National State and Local Codes and in accordance with the local authorities having jurisdiction MINIMUM CLEARANCE TO COMBUSTIB...

Page 8: ...nstructed on a structural steel base frame The unit base frame is equipped with lifting lugs specifically located to facilitate proper lifting of the unit Spreader bars must be used to keep rigging aw...

Page 9: ...the unit As a minimum sleepers that are installed perpendicular to the length of the unit must be continuous across the width of the unit and shall be installed at the end lifting point base rails and...

Page 10: ...ame of adjacent sections This may require personnel to work under the unit during assembly Injury or death can result from improper support or improper loading of the curb Additional temporary support...

Page 11: ...led unit When ordered factory installed pipe chases and or electrical chases are built into the unit floor Factory chases are provided with covers that need to be replaced and sealed after piping and...

Page 12: ...ad Amps 1 Maximum Total Length of Run 50 Ft 100 Ft 150 Ft 200 Ft 250 Ft 300 Ft 350 Ft 400 Ft 450 Ft 500 Ft 15 m 30 m 45 m 60 m 75 m 90 m 105 m 120 m 135 m 150 m 1 16 AWG 16 AWG 16 AWG 16 AWG 16 AWG 16...

Page 13: ...coil connections when installing piping For refrigerant coils all piping is to be installed by a qualified refrigeration mechanic All refrigeration specialties shall be installed using good refrigera...

Page 14: ...rain traps FLUSHING AND DEGREASING OF WATER AND GLYCOL COILS Coil tubing may contain material or residue from manufacturing transportation or storage To prevent possible damage to other components in...

Page 15: ...pass any interlock or safety switches under any circumstances The start up and operation must be in accordance with safe practices Start up must be performed by qualified personnel Complete attached s...

Page 16: ...kwards will typically have low head pressure high suction pressure and are usually noisy Screw compressors MUST be checked with a phase meter before starting If rotation is incorrect instantaneous per...

Page 17: ...orator coil allowing the evaporator to have the most efficient moisture removal The bypass is factory set to a default value and must be field adjusted to ensure proper operation With the system runni...

Page 18: ...possible for conditions other than low refrigerant charge to cause the sight glass to bubble Bubbling may occur when condenser fans cycles on superheat setting is too low or filter drier is plugged e...

Page 19: ...ur wiring diagram to verify that all remote controls are properly located and correctly field wired Dehumidification systems first cool the air with an evaporator coil operating below the dew point te...

Page 20: ...or a separate device 4 Head Pressure Control Head pressure controls are designed to maintain an adequate operating head pressure to allow the TX valve and other components to work correctly Low head...

Page 21: ...R134a 150 psig 1040 kPa R407C 270 psig 1870 kPa R410A 370 psig 2550 kPa Caution When recovering refrigerant from a system equipped with a water cooled condenser the water valve must be manually opened...

Page 22: ...the oil completely and add the compressor manufacturers measured oil charge for replacement compressors before placing the compressor into operation Contact the compressor manufacturer for the type a...

Page 23: ...refrigerant into the system slowly until the system sight glass is clear The system must be at design air flow and load If the system is equipped with an Engineered Air Intercooler sight glass only r...

Page 24: ...igerant and the rest of the circuit will be out of gas 4 To check for refrigerant in the inactive coil install a refrigerant gauge on the inactive condenser coil reheat pool heat or condenser coil and...

Page 25: ...nt determine and fix the cause Properly remove and dispose of the contamination Properly clean and sanitize the affected area using only approved sanitizers suitable for HVAC equipment To provide a ma...

Page 26: ...ssible without slipping in the pulley grooves Belt deflection 3 4 19mm for each foot 300mm of span between the pulleys FOR FANS EQUIPPED WITH PILLOW BLOCK BEARINGS Belt Deflection Allow 1 64 0 4mm of...

Page 27: ...15 16 49mm 69 in lb 7 8 Nm 155 in lb 17 5 Nm 228 272 in lb 26 31 Nm 2 3 16 56mm 87 in lb 9 8 Nm 155 in lb 17 5 Nm 228 272 in lb 26 31 Nm 2 7 16 62mm 147 in lb 16 6 Nm 155 in lb 17 5 Nm 228 272 in lb...

Page 28: ...2000 2500 3000 3500 4000 4500 Shaft DIA 11 16 3 3 2 1 1 1 1 1 1 15 16 2 7 16 3 2 2 1 1 2 11 16 2 5 16 2 2 1 1 3 7 16 3 15 16 1 1 Suggested initial greasing interval If safety permits re lubricate whi...

Page 29: ...ease having these properties are Shell Alvania No 2 Mobil Mobilith AW2 Mobilith SHC100 Texaco Premium RB2 American Rykon Premium 2 Lubricate bearings prior to extended shutdown or storage and rotate s...

Page 30: ...E 20 160 SAE 30 180 SAE 40 Static oil level should be at the center of the lower most roller do not overfill MOTOR LUBRICATION Refer to motor manufacturer for lubrication recommendations On motors hav...

Page 31: ...the best service interval To clean rinse with water Shake off excess water and re install These filters do not require an oil adhesive Pleated Throwaway and or Replaceable Media Cartridge Bag Replace...

Page 32: ...C glycol or other suitable fluid COATING MAINTENANCE Most natatorium HVAC equipment will have an epoxy interior coating Regularly inspect the coating for integrity Touch up epoxy paint is readily avai...

Page 33: ...capacity and increased refrigerant head pressure Should this condition occur the condenser coil should be chemically cleaned or replaced Air Cooled The external surface of finned coils can be cleaned...

Page 34: ...noted above or the maximum rated working pressure of the receiver or 90 of the receiver PRV Hot gas bypass Start to open pressure 52 psig 350 kPa 30 psig 210 kPa 105 psig 720 kPa CFC1 Cut In 290 psig...

Page 35: ...ssor discharge temperature switch tripped Reset switch and check refrigerant charge Ice formation on evaporator coil Cold inlet temperature Raise the entering air temperature Air filters dirty Replace...

Page 36: ...scharge Compressor 1 psig psig Compressor 2 psig psig Compressor 3 psig psig Compressor 4 psig psig Compressor 5 psig psig Compressor 6 psig psig Compressor 7 psig psig Compressor 8 psig psig Condense...

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